Resolve "_adjacent_lesson breaks on persons without lessons"

Closes #107 (closed)

added part::backend type::bug labels

marked this merge request as ready

added 1 commit

• 5354b84b - Fix _adjacent_lesson to respect None values

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assigned to @nik and unassigned @hansegucker

merged

mentioned in commit d261b968

changed title from Resolve "_adjacent_lesson doesn't respect persons without lessons" to Resolve "_adjacent_lesson breaks on persons without lessons"